Finding the Fourth Proportional to 9,968.02, 13,755.90 and 5,719.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968.02 : 13,755.90 = 5,719.24 : x
2. Step 2: Convert to fraction form
   9,968.02/13,755.90 = 5,719.24/x
3. Step 3: Cross multiply
   9,968.02x = 13,755.90 × 5,719.24
4. Step 4: Simplify right side
   9,968.02x = 78,673,293.52
5. Step 5: Solve for x
   x = 78,673,293.52/9,968.02
6. Step 6: Final answer
   x = 7,892.57